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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: ChangeSwitch.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.change;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Visitor pattern interface for the {@link Change} class hierarchy.<a name="line.11"></a>
<span class="sourceLineNo">012</span> *<a name="line.12"></a>
<span class="sourceLineNo">013</span> * @param &lt;R&gt; method return type<a name="line.13"></a>
<span class="sourceLineNo">014</span> * @see Change#visit<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span>public interface ChangeSwitch&lt;R&gt; {<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>    /**<a name="line.18"></a>
<span class="sourceLineNo">019</span>     * Handle an {@link ObjectCreate} event.<a name="line.19"></a>
<span class="sourceLineNo">020</span>     *<a name="line.20"></a>
<span class="sourceLineNo">021</span>     * @param change visiting change<a name="line.21"></a>
<span class="sourceLineNo">022</span>     * @param &lt;T&gt; changed object type<a name="line.22"></a>
<span class="sourceLineNo">023</span>     * @return visitor return value<a name="line.23"></a>
<span class="sourceLineNo">024</span>     */<a name="line.24"></a>
<span class="sourceLineNo">025</span>    &lt;T&gt; R caseObjectCreate(ObjectCreate&lt;T&gt; change);<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>    /**<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * Handle an {@link ObjectDelete} event.<a name="line.28"></a>
<span class="sourceLineNo">029</span>     *<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * @param change visiting change<a name="line.30"></a>
<span class="sourceLineNo">031</span>     * @param &lt;T&gt; changed object type<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @return visitor return value<a name="line.32"></a>
<span class="sourceLineNo">033</span>     */<a name="line.33"></a>
<span class="sourceLineNo">034</span>    &lt;T&gt; R caseObjectDelete(ObjectDelete&lt;T&gt; change);<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>    /**<a name="line.36"></a>
<span class="sourceLineNo">037</span>     * Handle a {@link ListFieldAdd} event.<a name="line.37"></a>
<span class="sourceLineNo">038</span>     *<a name="line.38"></a>
<span class="sourceLineNo">039</span>     * @param change visiting change<a name="line.39"></a>
<span class="sourceLineNo">040</span>     * @param &lt;T&gt; changed object type<a name="line.40"></a>
<span class="sourceLineNo">041</span>     * @param &lt;E&gt; changed list element type<a name="line.41"></a>
<span class="sourceLineNo">042</span>     * @return visitor return value<a name="line.42"></a>
<span class="sourceLineNo">043</span>     */<a name="line.43"></a>
<span class="sourceLineNo">044</span>    &lt;T, E&gt; R caseListFieldAdd(ListFieldAdd&lt;T, E&gt; change);<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>    /**<a name="line.46"></a>
<span class="sourceLineNo">047</span>     * Handle a {@link ListFieldClear} event.<a name="line.47"></a>
<span class="sourceLineNo">048</span>     *<a name="line.48"></a>
<span class="sourceLineNo">049</span>     * @param change visiting change<a name="line.49"></a>
<span class="sourceLineNo">050</span>     * @param &lt;T&gt; changed object type<a name="line.50"></a>
<span class="sourceLineNo">051</span>     * @return visitor return value<a name="line.51"></a>
<span class="sourceLineNo">052</span>     */<a name="line.52"></a>
<span class="sourceLineNo">053</span>    &lt;T&gt; R caseListFieldClear(ListFieldClear&lt;T&gt; change);<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span>    /**<a name="line.55"></a>
<span class="sourceLineNo">056</span>     * Handle a {@link ListFieldRemove} event.<a name="line.56"></a>
<span class="sourceLineNo">057</span>     *<a name="line.57"></a>
<span class="sourceLineNo">058</span>     * @param change visiting change<a name="line.58"></a>
<span class="sourceLineNo">059</span>     * @param &lt;T&gt; changed object type<a name="line.59"></a>
<span class="sourceLineNo">060</span>     * @param &lt;E&gt; changed list element type<a name="line.60"></a>
<span class="sourceLineNo">061</span>     * @return visitor return value<a name="line.61"></a>
<span class="sourceLineNo">062</span>     */<a name="line.62"></a>
<span class="sourceLineNo">063</span>    &lt;T, E&gt; R caseListFieldRemove(ListFieldRemove&lt;T, E&gt; change);<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>    /**<a name="line.65"></a>
<span class="sourceLineNo">066</span>     * Handle a {@link ListFieldReplace} event.<a name="line.66"></a>
<span class="sourceLineNo">067</span>     *<a name="line.67"></a>
<span class="sourceLineNo">068</span>     * @param change visiting change<a name="line.68"></a>
<span class="sourceLineNo">069</span>     * @param &lt;T&gt; changed object type<a name="line.69"></a>
<span class="sourceLineNo">070</span>     * @param &lt;E&gt; changed list element type<a name="line.70"></a>
<span class="sourceLineNo">071</span>     * @return visitor return value<a name="line.71"></a>
<span class="sourceLineNo">072</span>     */<a name="line.72"></a>
<span class="sourceLineNo">073</span>    &lt;T, E&gt; R caseListFieldReplace(ListFieldReplace&lt;T, E&gt; change);<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span>    /**<a name="line.75"></a>
<span class="sourceLineNo">076</span>     * Handle a {@link MapFieldAdd} event.<a name="line.76"></a>
<span class="sourceLineNo">077</span>     *<a name="line.77"></a>
<span class="sourceLineNo">078</span>     * @param change visiting change<a name="line.78"></a>
<span class="sourceLineNo">079</span>     * @param &lt;T&gt; changed object type<a name="line.79"></a>
<span class="sourceLineNo">080</span>     * @param &lt;K&gt; changed map key type<a name="line.80"></a>
<span class="sourceLineNo">081</span>     * @param &lt;V&gt; changed map value type<a name="line.81"></a>
<span class="sourceLineNo">082</span>     * @return visitor return value<a name="line.82"></a>
<span class="sourceLineNo">083</span>     */<a name="line.83"></a>
<span class="sourceLineNo">084</span>    &lt;T, K, V&gt; R caseMapFieldAdd(MapFieldAdd&lt;T, K, V&gt; change);<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span>    /**<a name="line.86"></a>
<span class="sourceLineNo">087</span>     * Handle a {@link MapFieldClear} event.<a name="line.87"></a>
<span class="sourceLineNo">088</span>     *<a name="line.88"></a>
<span class="sourceLineNo">089</span>     * @param change visiting change<a name="line.89"></a>
<span class="sourceLineNo">090</span>     * @param &lt;T&gt; changed object type<a name="line.90"></a>
<span class="sourceLineNo">091</span>     * @return visitor return value<a name="line.91"></a>
<span class="sourceLineNo">092</span>     */<a name="line.92"></a>
<span class="sourceLineNo">093</span>    &lt;T&gt; R caseMapFieldClear(MapFieldClear&lt;T&gt; change);<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>    /**<a name="line.95"></a>
<span class="sourceLineNo">096</span>     * Handle a {@link MapFieldRemove} event.<a name="line.96"></a>
<span class="sourceLineNo">097</span>     *<a name="line.97"></a>
<span class="sourceLineNo">098</span>     * @param change visiting change<a name="line.98"></a>
<span class="sourceLineNo">099</span>     * @param &lt;T&gt; changed object type<a name="line.99"></a>
<span class="sourceLineNo">100</span>     * @param &lt;K&gt; changed map key type<a name="line.100"></a>
<span class="sourceLineNo">101</span>     * @param &lt;V&gt; changed map value type<a name="line.101"></a>
<span class="sourceLineNo">102</span>     * @return visitor return value<a name="line.102"></a>
<span class="sourceLineNo">103</span>     */<a name="line.103"></a>
<span class="sourceLineNo">104</span>    &lt;T, K, V&gt; R caseMapFieldRemove(MapFieldRemove&lt;T, K, V&gt; change);<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>    /**<a name="line.106"></a>
<span class="sourceLineNo">107</span>     * Handle a {@link MapFieldReplace} event.<a name="line.107"></a>
<span class="sourceLineNo">108</span>     *<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * @param change visiting change<a name="line.109"></a>
<span class="sourceLineNo">110</span>     * @param &lt;T&gt; changed object type<a name="line.110"></a>
<span class="sourceLineNo">111</span>     * @param &lt;K&gt; changed map key type<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * @param &lt;V&gt; changed map value type<a name="line.112"></a>
<span class="sourceLineNo">113</span>     * @return visitor return value<a name="line.113"></a>
<span class="sourceLineNo">114</span>     */<a name="line.114"></a>
<span class="sourceLineNo">115</span>    &lt;T, K, V&gt; R caseMapFieldReplace(MapFieldReplace&lt;T, K, V&gt; change);<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span>    /**<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * Handle a {@link SetFieldAdd} event.<a name="line.118"></a>
<span class="sourceLineNo">119</span>     *<a name="line.119"></a>
<span class="sourceLineNo">120</span>     * @param change visiting change<a name="line.120"></a>
<span class="sourceLineNo">121</span>     * @param &lt;T&gt; changed object type<a name="line.121"></a>
<span class="sourceLineNo">122</span>     * @param &lt;E&gt; changed set element type<a name="line.122"></a>
<span class="sourceLineNo">123</span>     * @return visitor return value<a name="line.123"></a>
<span class="sourceLineNo">124</span>     */<a name="line.124"></a>
<span class="sourceLineNo">125</span>    &lt;T, E&gt; R caseSetFieldAdd(SetFieldAdd&lt;T, E&gt; change);<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>    /**<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * Handle a {@link SetFieldClear} event.<a name="line.128"></a>
<span class="sourceLineNo">129</span>     *<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * @param change visiting change<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * @param &lt;T&gt; changed object type<a name="line.131"></a>
<span class="sourceLineNo">132</span>     * @return visitor return value<a name="line.132"></a>
<span class="sourceLineNo">133</span>     */<a name="line.133"></a>
<span class="sourceLineNo">134</span>    &lt;T&gt; R caseSetFieldClear(SetFieldClear&lt;T&gt; change);<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>    /**<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * Handle a {@link SetFieldRemove} event.<a name="line.137"></a>
<span class="sourceLineNo">138</span>     *<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * @param change visiting change<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * @param &lt;T&gt; changed object type<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @param &lt;E&gt; changed set element type<a name="line.141"></a>
<span class="sourceLineNo">142</span>     * @return visitor return value<a name="line.142"></a>
<span class="sourceLineNo">143</span>     */<a name="line.143"></a>
<span class="sourceLineNo">144</span>    &lt;T, E&gt; R caseSetFieldRemove(SetFieldRemove&lt;T, E&gt; change);<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span>    /**<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * Handle a {@link SimpleFieldChange} event.<a name="line.147"></a>
<span class="sourceLineNo">148</span>     *<a name="line.148"></a>
<span class="sourceLineNo">149</span>     * @param change visiting change<a name="line.149"></a>
<span class="sourceLineNo">150</span>     * @param &lt;T&gt; changed object type<a name="line.150"></a>
<span class="sourceLineNo">151</span>     * @param &lt;V&gt; changed field type<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * @return visitor return value<a name="line.152"></a>
<span class="sourceLineNo">153</span>     */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    &lt;T, V&gt; R caseSimpleFieldChange(SimpleFieldChange&lt;T, V&gt; change);<a name="line.154"></a>
<span class="sourceLineNo">155</span>}<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>




























































</pre>
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